Phys. Rev. D
52,
2656–2660
(1995)
Measurement of the ratio of branching fractions B(D0→π-e+νe)/B(D0→K-e+νe)
F. Butler et al.
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F. Butler, X. Fu, B. Nemati, W. R. Ross, P. Skubic, M. Wood, M. Bishai, J. Fast, E. Gerndt, J. W. Hinson, R. L. McIlwain, T. Miao, D. H. Miller, M. Modesitt, D. Payne, E. I. Shibata, I. P. J. Shipsey, P. N. Wang, L. Gibbons, Y. Kwon, S. Roberts, E. H. Thorndike, T. E. Coan, J. Dominick, V. Fadeyev, I. Korolkov, M. Lambrecht, S. Sanghera, V. Shelkov, T. Skwarnicki, R. Stroynowski, I. Volobouev, G. Wei, M. Artuso, M. Gao, M. Goldberg, D. He, N. Horwitz, G. C. Moneti, R. Mountain, F. Muheim, Y. Mukhin, S. Playfer, Y. Rozen, S. Stone, X. Xing, G. Zhu, J. Bartelt, S. E. Csorna, Z. Egyed, V. Jain, D. Gibaut, K. Kinoshita, P. Pomianowski, B. Barish, M. Chadha, S. Chan, D. F. Cowen, G. Eigen, J. S. Miller, C. O’Grady, J. Urheim, A. J. Weinstein, F. Würthwein, D. M. Asner, M. Athanas, D. W. Bliss, W. S. Brower, G. Masek, H. P. Paar, J. Gronberg, C. M. Korte, R. Kutschke, S. Menary, R. J. Morrison, S. Nakanishi, H. N. Nelson, T. K. Nelson, C. Qiao, J. D. Richman, D. Roberts, A. Ryd, H. Tajima, M. S. Witherell, R. Balest, K. Cho, W. T. Ford, M. Lohner, H. Park, P. Rankin, J. G. Smith, J. P. Alexander, C. Bebek, B. E. Berger, K. Berkelman, K. Bloom, T. E. Browder, D. G. Cassel, H. A. Cho, D. M. Coffman, D. S. Crowcroft, M. Dickson, P. S. Drell, D. J. Dumas, R. Ehrlich, R. Elia, P. Gaidarev, M. Garcia-Sciveres, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, S. Henderson, C. D. Jones, S. L. Jones, J. Kandaswamy, N. Katayama, P. C. Kim, D. L. Kreinick, Y. Liu, G. S. Ludwig, J. Masui, J. Mevissen, N. B. Mistry, C. R. Ng, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, A. Soffer, P. Avery, A. Freyberger, K. Lingel, J. Rodriguez, S. Yang, J. Yelton, G. Brandenburg, D. Cinabro, T. Liu, M. Saulnier, R. Wilson, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, J. Ernst, G. E. Gladding, G. D. Gollin, M. Palmer, M. Selen, J. J. Thaler, K. W. Edwards, K. W. McLean, M. Ogg, A. Bellerive, D. I. Britton, E. R. F. Hyatt, R. Janicek, D. B. MacFarlane, P. M. Patel, B. Spaan, A. J. Sadoff, R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, N. Copty, R. Davis, N. Hancock, M. Kelly, S. Kotov, I. Kravchenko, N. Kwak, H. Lam, Y. Kubota, M. Lattery, M. Momayezi, J. K. Nelson, S. Patton, R. Poling, V. Savinov, S. Schrenk, R. Wang, M. S. Alam, I. J. Kim, Z. Ling, A. H. Mahmood, J. J. O’Neill, H. Severini, C. R. Sun, F. Wappler, G. Crawford, R. Fulton, D. Fujino, K. K. Gan, K. Honscheid, H. Kagan, R. Kass, J. Lee, M. Sung, C. White, A. Wolf, and M. M. Zoeller
University of Oklahoma, Norman, Oklahoma 73019 Purdue University, West Lafayette, Indiana 47907 University of Rochester, Rochester, New York 14627 Southern Methodist University, Dallas, Texas 75275 Syracuse University, Syracuse, New York 13244 Vanderbilt University, Nashville, Tennessee 37235 Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061 California Institute of Technology, Pasadena, California 91125 University of California, San Diego, La Jolla, California 92093 University of California, Santa Barbara, California 93106 University of Colorado, Boulder, Colorado 80309-0390 Cornell University, Ithaca, New York 14853 University of Florida, Gainesville, Florida 32611 Harvard University, Cambridge, Massachusetts 02138 University of Illinois, Urbana-Champaign, Urbana, Illinois, 61801 Carleton University and the Institute of Particle Physics, Ottawa, Ontario, Canada K1S 5B6 Natural Sciences and Engineering Research Council, Montréal, Quebec, Canada McGill University and the Institute of Particle Physics, Montréal, Québec, Canada H3A 2T8 Natural Sciences and Engineering Research Council, Montréal, Quebec, Canada Ithaca College, Ithaca, New York 14850 University of Kansas, Lawrence, Kansas 66045 University of Minnesota, Minneapolis, Minnesota 55455 State University of New York at Albany, Albany, New York 12222 Ohio State University, Columbus, Ohio 43210
Received 27 January 1995; published in the issue dated 1 September 1995
Using 3.0 fb-1 of data collected with the CLEO-II detector, we study the Cabibbo-suppressed decay D0→π-e+νe. The ratio of the branching fractions B(D0→π-e+νe)/B(D0→K-e+νe) is measured to be (10.3±3.9±1.3)%, corresponding to an upper limit of 15.6% at the 90% confidence level.
© 1995 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevD.52.2656
DOI:
10.1103/PhysRevD.52.2656
PACS:
13.20.Fc, 13.65.+i, 14.40.Lb
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